NO-ONE has mentioned nerve blocks for the costo, and I've had it since I was in my late teens.
I'd try the lidocaine without the steroids first as steroids do make me a bit wiggy. Not so much the injections, but oral steroids.
I was hospitalized for a suspected heart attack that turned out to be a new trigger point for the costo. Pain and spasms in my left chest, and pain and numbness down my arm. After a bunch of (mostly unpleasant) tests, it was determined that my heart was fine.
My costo is so bad that I actually get swelling along the affected ribs. it sucks.
I will ask my GP to refer me to a specialist for the blocks. Being free of the costo pain would be wonderful.
I want a referral anyways as I want to look into the 'base of the skull' injections for tension headaches. I have severe DJD in my neck and get horrible headaches.
Because I am also a migraineur, the tension headaches often "go bad" and turn into migraines. I understand that they are now doing Botox injections if the blocks help.
Right now I am on propranolol for the migraines and tolerating that OK so long as I get up slowly from laying down. I have Fioricet with codeiene. I can't take imitrex or similar due to risk of lowering seizure threshold with the AP I'm on. Can't change APs as so far this one isn't causing horrible side-effects.
The Fioricet knocks me out and I again have to take Zofran with it or it makes me puke. Plus, one can only take the Fioricet 3x weekly as the barbiturate in it is hugely addictive. I have to plan on being "off the air" for 24 hours if I take the medication as even though it knocks out the tension headaches and makes me sleep. It leaves me with a "hangover" for some time afterwards.
It's funny. I can take benzos in doses that would drop a draft horse, but I'm very sensitive to narcotics.
Right now, I've got half a Vicodin on board, a patch on, and some ibuprofen in my system and things seem to be under control. Of course, I'm still home for the evening.
When I was in the hospital, once they determined that it most likely wasn't my heart (waiting for the echo results), I got a shot of Toradol. I LOVE that stuff! I wish they'd come out with a version that could be used long-term. It knocks out headaches and "body pain" wonderfully.
In the ER, they gave me morphine and Phenergan. Still made me pukey. Then they gave me nitroglycerin which promptly threw me into a migraine and had them running around in circles thinking I'd had a stroke in addition to a MI as I have neurological signs with a migraine. It was a mess.
I did discover though that both the costo and the headaches got better once I went on thyroid medications. I have Hashimoto's Disease. My immune system attacked and destroyed my thyroid. I've also lost about twenty lbs though still have a long ways to go to reach my goal weight.
Did you have the injections done by your GP or by a specialist. I was diagnosed with fibro and costo in Germany many years ago. That was by a rheumatologist who basically ruled out everything else